- I/O module slots: 4
- Real-time clock (RTC)
- Main memory (RAM) for program and DB/text: 128 kByte
- Flash memory (S-RIO, configuration and backup): 2 MByte
- Data backup: 4 hours with SuperCap
- Ethernet 10/100 Mbits, full-duplex, auto-sensing/auto-crossing
- USB 1.1
